Ozturk, Semra On \(m\)-th roots of nilpotent matrices. (English) Zbl 1486.15018 Electron. J. Linear Algebra 37, 718-733 (2021). Reviewer: Tin Yau Tam (Reno) MSC: 15A21 15A20 15A06 15A16 15B36 15B05 PDFBibTeX XMLCite \textit{S. Ozturk}, Electron. J. Linear Algebra 37, 718--733 (2021; Zbl 1486.15018) Full Text: Link
Laohakosol, Vichian; Pimsert, Watcharapon; Ponpetch, Kanet A circulant functional equation for the additive function and its stability. (English) Zbl 1430.39009 Turk. J. Math. 43, No. 6, 2821-2832 (2019). MSC: 39B42 15A24 39B82 PDFBibTeX XMLCite \textit{V. Laohakosol} et al., Turk. J. Math. 43, No. 6, 2821--2832 (2019; Zbl 1430.39009) Full Text: Link
Sikorska, Justyna Orthogonalities and functional equations. (English) Zbl 1316.39008 Aequationes Math. 89, No. 2, 215-277 (2015). MSC: 39B55 39-02 39B52 39B82 46B20 47B49 15A86 PDFBibTeX XMLCite \textit{J. Sikorska}, Aequationes Math. 89, No. 2, 215--277 (2015; Zbl 1316.39008) Full Text: DOI
Muldoon, Martin E. Generalized hyperbolic functions, circulant matrices and functional equations. (English) Zbl 1083.39024 Linear Algebra Appl. 406, 272-284 (2005). Reviewer: Jens Schwaiger (Graz) MSC: 39B72 39B32 15B57 PDFBibTeX XMLCite \textit{M. E. Muldoon}, Linear Algebra Appl. 406, 272--284 (2005; Zbl 1083.39024) Full Text: DOI arXiv